Medium suspension over the entire surface of the foot for comfort and protection. The unique ankle design helps keep the sock in place and protects the back of the heel in the ankles thanks to its padding. Mesh panels on the instep and calf for greater breathability. Durable material wicks away sweat and dries really quickly. Anti-odor technology prevents the growth of odor-causing microbes. Built-in arch support helps reduce leg fatigue. A customized heel wraps around your foot for a better fit. It is sold as one pair.